Set free by a San Francisco federal judge who sentenced him to Just one day in prison, medical cannabis grower Ed Rosenthal said today that his case will be the catalyst to overturn all U.S. marijuana laws under which 750,000 Americans are arrested each year.

"These laws are doomed," said Rosenthal to group of cheering supporters outside the courthouse after his sentencing. "I am going to make it safe for everyone to grow by bringing these laws down."

rosenthal was convicted in January of three marijuana cultivation and conspiracy charges. He faced more than 80 years in federal prison and $2.5 million in fines. The Federal Probation Department had recommended that Rosenthal be sentenced to two 21-month sentences to be served concurrently.

He's still a felon, which is itself an outrage. But this is a major piece of good news. Read more at Alternet.org.